BlackRock, Inc. filed Amendment No. 10 to its Schedule 13G with the SEC on October 27, 2026, disclosing its beneficial ownership position in H2O America as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: BlackRock reported beneficially owning 6,182,197 shares of H2O America common stock, representing 14.8% of the class.
  • Sole voting power: BlackRock holds sole voting power over 6,066,835 shares, with zero shared voting power reported.
  • Sole dispositive power: BlackRock holds sole dispositive power over 6,182,197 shares, with zero shared dispositive power reported.
  • iShares interest: According to the filing, iShares Core S&P Small-Cap ETF holds an interest in H2O America common stock that exceeds five percent of the total outstanding common stock.
  • Amendment history: This filing is Amendment No. 10, reflecting an updated position as of the September 30, 2026 event date.
  • Ordinary course certification: BlackRock certified that the securities "were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer."

BlackRock's Updated Beneficial Ownership Position in H2O America

BlackRock, Inc., organized in Delaware and headquartered at 50 Hudson Yards, New York, NY 10001, filed Amendment No. 10 to Schedule 13G covering Common Stock (CUSIP 784305104) of H2O America, whose principal executive offices are listed at 110 W. Taylor Street, San Jose, CA 95110. The filing was signed by Spencer Fleming, Managing Director, and dated October 27, 2026, with a triggering event date of September 30, 2026.

According to the filing, BlackRock's aggregate beneficial ownership stands at 6,182,197 shares, equal to 14.8% of the outstanding class. Of that total, BlackRock reported sole voting power over 6,066,835 shares and sole dispositive power over the full 6,182,197 shares. Shared voting and shared dispositive power were each reported as zero. The filing notes that the disclosure reflects securities beneficially owned by certain Reporting Business Units of BlackRock and its subsidiaries and affiliates, and does not include securities, if any, beneficially owned by other business units whose beneficial ownership is disaggregated in accordance with SEC Release No. 34-39538 (January 12, 1998).

The filing identifies iShares Core S&P Small-Cap ETF as a person whose interest in H2O America common stock is more than five percent of the total outstanding common stock. Subsidiary identification is addressed by reference to Exhibit 99, as required under the parent holding company rules. BlackRock is classified as a holding company (type "HC") for purposes of this filing.

What Was Disclosed

BlackRock, Inc. disclosed via an amended Schedule 13G that it beneficially owns 6,182,197 shares, or 14.8%, of H2O America common stock as of September 30, 2026, with sole voting power over 6,066,835 shares and iShares Core S&P Small-Cap ETF identified as holding more than five percent.